| Publication | Date of Publication | Type |
|---|
| https://portal.mardi4nfdi.de/entity/Q2779208 | 2002-04-15 | Paper |
| Curvatures of the product of two 3-spheres with deformed metrics | 2002-02-07 | Paper |
| Geodesics and Killing vector fields on the tangent sphere bundle | 1999-03-28 | Paper |
| \(L^ 2\) harmonic forms and stability of minimal hypersurfaces | 1998-06-25 | Paper |
| Remarks on a triple of \(K\)-contact structures | 1998-02-19 | Paper |
| EULER-POINCARÉ CHARACTERISTIC OF EIGHT-DIMENSIONAL LOCALLY SYMMETRIC SPACES | 1997-06-17 | Paper |
| The identity map as a harmonic map of a \((4r+3)\)-sphere with deformed metrics | 1995-03-16 | Paper |
| The standard CR structure on the unit tangent bundle | 1993-06-17 | Paper |
| Pseudo-conformal invariants of type (1,3) of CR manifolds | 1991-01-01 | Paper |
| Integrals of some trigonometric functions | 1990-01-01 | Paper |
| The Bochner type curvature tensor of contact Riemannian structure | 1990-01-01 | Paper |
| Variational Problems on Contact Riemannian Manifolds | 1989-01-01 | Paper |
| Ricci curvatures of contact Riemannian manifolds | 1988-01-01 | Paper |
| Instability of spheres with deformed Riemannian metrics | 1987-01-01 | Paper |
| Central sections of centrally symmetric convex bodies | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3784734 | 1987-01-01 | Paper |
| A characterization of the product of two 3-spheres by the spectrum | 1985-01-01 | Paper |
| Euler characteristics of some six-dimensional Riemannian manifolds | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3345371 | 1984-01-01 | Paper |
| Some functions on the set of triangles or quadrangles | 1983-01-01 | Paper |
| Remarks on Sobolev inequalities and stability of minimal submanifolds | 1983-01-01 | Paper |
| A characterization of a complex projective space by the spectrum | 1982-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3963664 | 1982-01-01 | Paper |
| Conformally flat Riemannian manifolds of constant scalar curvature | 1980-01-01 | Paper |
| A characterization of the canonical spheres by the spectrum | 1980-01-01 | Paper |
| Some metrics on a (4r+3)-sphere and spectra | 1980-01-01 | Paper |
| Real 4-dimensional Kählerian manifolds of constant scalar curvature | 1979-01-01 | Paper |
| The first eigenvalue of the Laplacian on spheres | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3883129 | 1979-01-01 | Paper |
| Some differential equations on Riemannian manifolds | 1978-01-01 | Paper |
| On a lower bound of the second eigenvalue of the Laplacian on an Einstein space | 1978-01-01 | Paper |
| Some system of differential equations on Riemannian manifolds and its applications to contact structures | 1977-01-01 | Paper |
| \(C^\infty\)-approximation of continuous ovals of constant width | 1976-01-01 | Paper |
| Orthonormal frames on 3-dimensional Riemannian manifolds | 1976-01-01 | Paper |
| Killing vectors and geodesic flow vectors on tangent bundles. | 1976-01-01 | Paper |
| Deformations of Riemannian metrics on 3-dimensional manifolds | 1975-01-01 | Paper |
| 3-dimensional Riemannian manifolds satisfying R(X,Y).R = 0 | 1974-01-01 | Paper |
| Riemannian manifolds of nullity index zero and curvature tensor- preserving transformations | 1974-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4769629 | 1974-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5184116 | 1974-01-01 | Paper |
| The Spectrum of the Laplacian for 1-Forms | 1974-01-01 | Paper |
| Curvature tensors and covariant derivatives | 1973-01-01 | Paper |
| Mean curvatures for holomorphic 2p-planes in Kählerian manifolds | 1973-01-01 | Paper |
| Compact conformally flat Riemannian manifolds | 1973-01-01 | Paper |
| Compact complex submanifolds immersed in complex projective spaces | 1973-01-01 | Paper |
| Euler-Poincaré characteristics and curvature tensors | 1973-01-01 | Paper |
| Eigenvalues of the Laplacian of Riemannian manifolds | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4765258 | 1973-01-01 | Paper |
| An inequality for $4$-dimensional Kählerian manifolds | 1973-01-01 | Paper |
| Constancy of holomorphic sectional curvature in almost Hermitian manifolds | 1973-01-01 | Paper |
| A formula on some odd-dimensional Riemannian manifolds related to the Gauss-Bonnet formula | 1972-01-01 | Paper |
| 2-dimensional complex submanifolds immersed in complex projective spaces | 1972-01-01 | Paper |
| 4-dimensional conformally flat Kähler manifolds | 1972-01-01 | Paper |
| Totally geodesic foliations with compact leaves | 1972-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5667205 | 1972-01-01 | Paper |
| Quasi-Sasakian structures of rank 2p + 1 | 1971-01-01 | Paper |
| K-contact Riemannian manifolds isometrically immersed in a space of constant curvature | 1971-01-01 | Paper |
| Killing vectors on contact Riemannian manifolds and fiberings related to the Hopf fibration | 1971-01-01 | Paper |
| A Class of Riemannian Manifolds Satisfying R(X ,Y)·R = 0 | 1971-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5616650 | 1971-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5619478 | 1971-01-01 | Paper |
| Sufficient conditions for a Riemannian manifold to be locally symmetric | 1970-01-01 | Paper |
| Betti numbers and scalar inequalities | 1970-01-01 | Paper |
| On the isometry groups of Sasakian manifolds | 1970-01-01 | Paper |
| Some hypersurfaces of a sphere | 1970-01-01 | Paper |
| \(\varphi\)-holomorphic special bisectional curvature | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5583650 | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5595696 | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5615879 | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5622866 | 1970-01-01 | Paper |
| Transformations of pseudo-Riemannian manifolds | 1969-01-01 | Paper |
| The automorphism groups of almost contact Riemannian manifolds | 1969-01-01 | Paper |
| Sasakian manifolds with constant \(\phi\)-holomorphic sectional curvature | 1969-01-01 | Paper |
| Hypersurfaces satisfying a certain condition on the Ricci tensor | 1969-01-01 | Paper |
| Closed conformal vector fields | 1969-01-01 | Paper |
| The Automorphism Groups of Almost Hermitian Manifolds | 1969-01-01 | Paper |
| Isometric immersions of Sasakian manifolds in spheres | 1969-01-01 | Paper |
| The topology of contact Riemannian manifolds | 1968-01-01 | Paper |
| Strongly curvature-preserving transformations of pseudo-Riemannian manifolds | 1967-01-01 | Paper |
| Harmonic forms and Betti numbers of certain contact Riemannian manifolds | 1967-01-01 | Paper |
| Topology of compact Sasakian manifolds | 1967-01-01 | Paper |
| Locally symmetric $K$-contact Riemannian manifolds | 1967-01-01 | Paper |
| Curvature-preserving transformations of $K$-contact Riemannian manifolds | 1967-01-01 | Paper |
| Partially conformal transformations with respect to (m-1)-dimensional distributions of m-dimensional Riemannian manifolds. II | 1966-01-01 | Paper |
| A conformal transformation of certain contact Riemannian manifolds | 1966-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5516033 | 1966-01-01 | Paper |
| Partially conformal transformations with respect to \((m-1)\)-dimensional distributions of \(m\)-dimensional Riemannian manifolds | 1965-01-01 | Paper |
| Almost complex structures in bundle spaces over almost contact manifolds | 1965-01-01 | Paper |
| Sur une variété munie d'une structure de contact admettant certaines transformations | 1965-01-01 | Paper |
| An almost complex structure of the tangent bundle of an almost contact manifold | 1965-01-01 | Paper |
| A theorem on regular vector fields and its applications to almost contact structures | 1965-01-01 | Paper |
| A remark on transformations of a K-contact manifold | 1964-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5734049 | 1964-01-01 | Paper |
| On fiberings of some non-compact contact manifolds | 1963-01-01 | Paper |
| Some transformations on manifolds with almost contact and contact metric structures. II | 1963-01-01 | Paper |
| Some properties of manifolds with contact metric structure | 1963-01-01 | Paper |
| Some transformations on manifolds with almost contact and contact metric structures | 1963-01-01 | Paper |
| Note on infinitesimal transformations over contact manifolds | 1962-01-01 | Paper |
